Ken Fisher is retiring after 55 years as a broadcast technician, ending a career that spanned the evolution of radio from ...

For our 2025 Component Abuse Challenge there have been a set of entries which merely use a component for a purpose it wasn’t quite intended, and another which push misuse of a part into ...

Equal resistors R added in series with both emitters will develop voltages Vr = I1*R and I2*R that will be equal if the ...

"It's a disposable pipette system. The clear tubes are glass or plastic with markings for the volume inside. The orange/red ball is a hollow, collapsible ball with a hole over the pipette tip. The ...